public static void RemoveDirectory(string fullPath, bool recursive)
{
if (!recursive)
{
RemoveDirectoryInternal(fullPath, topLevel: true);
return;
}
Interop.Kernel32.WIN32_FIND_DATA findData = default;
// FindFirstFile($path) (used by GetFindData) fails with ACCESS_DENIED when user has no ListDirectory rights
// but FindFirstFile($path/*") (used by RemoveDirectoryRecursive) works fine in such scenario.
// So we ignore it here and let RemoveDirectoryRecursive throw if FindFirstFile($path/*") fails with ACCESS_DENIED.
GetFindData(fullPath, isDirectory: true, ignoreAccessDenied: true, ref findData);
if (IsNameSurrogateReparsePoint(ref findData))
{
// Don't recurse
RemoveDirectoryInternal(fullPath, topLevel: true);
return;
}
// We want extended syntax so we can delete "extended" subdirectories and files
// (most notably ones with trailing whitespace or periods)
fullPath = PathInternal.EnsureExtendedPrefix(fullPath);
RemoveDirectoryRecursive(fullPath, ref findData, topLevel: true);
}
internal static bool CreateDirectory(string path, ref SECURITY_ATTRIBUTES lpSecurityAttributes)
{
// We always want to add for CreateDirectory to get around the legacy 248 character limitation
path = PathInternal.EnsureExtendedPrefix(path);
return(CreateDirectoryPrivate(path, ref lpSecurityAttributes));
}
public void EnsureExtendedPrefixTest(string path, string expected)
{
StringBuilder sb = new StringBuilder(path);
PathInternal.EnsureExtendedPrefix(sb);
Assert.Equal(expected, sb.ToString());
Assert.Equal(expected, PathInternal.EnsureExtendedPrefix(path));
}
internal static void CreateHardLink(string hardLinkFilePath, string targetFilePath)
{
string originalPath = hardLinkFilePath;
hardLinkFilePath = PathInternal.EnsureExtendedPrefix(hardLinkFilePath);
targetFilePath = PathInternal.EnsureExtendedPrefix(targetFilePath);
if (!CreateHardLinkPrivate(hardLinkFilePath, targetFilePath, IntPtr.Zero))
{
throw Win32Marshal.GetExceptionForLastWin32Error(originalPath);
}
}
public static void GetFullPathName_Windows_RelativeRoot(string path, string expected)
{
StringBuilder sb = new StringBuilder(256);
int result = global::Interop.mincore.GetFullPathName(path, sb.Capacity, sb);
Assert.True(result > 0, "GetFullPathName should succeed");
Assert.Equal(expected, sb.ToString());
path = PathInternal.EnsureExtendedPrefix(path);
result = global::Interop.mincore.GetFullPathName(path, sb.Capacity, sb);
Assert.True(result > 0, "GetFullPathName with extended syntax should succeed");
Assert.Equal(PathInternal.EnsureExtendedPrefix(expected), sb.ToString());
}
public static void GetFullPathName_Windows_LongPathRoot()
{
// Long paths shouldn't recurse past the root
string path = Path.Combine(@"C:\", new string('a', 255), new string('b', 255), "..", "..", "..");
StringBuilder sb = new StringBuilder(1024);
int result = global::Interop.mincore.GetFullPathName(path, sb.Capacity, sb);
Assert.True(result > 0, "GetFullPathName should succeed");
Assert.Equal(@"C:\", sb.ToString());
path = PathInternal.EnsureExtendedPrefix(path);
result = global::Interop.mincore.GetFullPathName(path, sb.Capacity, sb);
Assert.True(result > 0, "GetFullPathName should succeed");
Assert.Equal(@"\\?\C:\", sb.ToString());
}
public static void RemoveDirectory(string fullPath, bool recursive)
{
if (!recursive)
{
RemoveDirectoryInternal(fullPath, topLevel: true);
return;
}
Interop.Kernel32.WIN32_FIND_DATA findData = new Interop.Kernel32.WIN32_FIND_DATA();
GetFindData(fullPath, ref findData);
if (IsNameSurrogateReparsePoint(ref findData))
{
// Don't recurse
RemoveDirectoryInternal(fullPath, topLevel: true);
return;
}
// We want extended syntax so we can delete "extended" subdirectories and files
// (most notably ones with trailing whitespace or periods)
fullPath = PathInternal.EnsureExtendedPrefix(fullPath);
RemoveDirectoryRecursive(fullPath, ref findData, topLevel: true);
}
public void EnsureExtendedPrefixTest(string path, string expected)
{
Assert.Equal(expected, PathInternal.EnsureExtendedPrefix(path));
}